631020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 1905120

約数和(自身を除く): 1274100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 809, 1618, 2427, 3236, 4045, 4854, 8090, 9708, 10517, 12135, 16180, 21034, 24270, 31551, 42068, 48540, 52585, 63102, 105170, 126204, 157755, 210340, 315510, 631020]

約数ペア:

[(1, 631020), (2, 315510), (3, 210340), (4, 157755), (5, 126204), (6, 105170), (10, 63102), (12, 52585), (13, 48540), (15, 42068), (20, 31551), (26, 24270), (30, 21034), (39, 16180), (52, 12135), (60, 10517), (65, 9708), (78, 8090), (130, 4854), (156, 4045), (195, 3236), (260, 2427), (390, 1618), (780, 809)]